Home / 43,712.63-65,568.83-18,736.49

Finding the Fourth Proportional to 43,712.63, 65,568.83 and 18,736.49

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Solution

The fourth proportional to 43,712.63, 65,568.83 and 18,736.49 is: 28,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.63 : 65,568.83 = 18,736.49 : x
  2. Step 2: Convert to fraction form
    43,712.63/65,568.83 = 18,736.49/x
  3. Step 3: Cross multiply
    43,712.63x = 65,568.83 × 18,736.49
  4. Step 4: Simplify right side
    43,712.63x = 1,228,529,399.76
  5. Step 5: Solve for x
    x = 1,228,529,399.76/43,712.63
  6. Step 6: Final answer
    x = 28,104.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.